[  249.179774] sctp: Hash tables configured (bind 256/256)
[  266.026683] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.038092] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.042727] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.052713] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.179363] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.212690] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.258573] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.280578] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.329501] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  266.440442] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  312.018426] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  312.023362] br0: port 1(veth0) entered blocking state
[  312.023401] br0: port 1(veth0) entered disabled state
[  312.023444] veth0: entered allmulticast mode
[  312.023500] veth0: entered promiscuous mode
[  312.027082] br0: port 2(veth1) entered blocking state
[  312.027145] br0: port 2(veth1) entered disabled state
[  312.027209] veth1: entered allmulticast mode
[  312.027296] veth1: entered promiscuous mode
[  312.030880] br0: port 2(veth1) entered blocking state
[  312.030911] br0: port 2(veth1) entered forwarding state
[  312.030945] br0: port 1(veth0) entered blocking state
[  312.030974] br0: port 1(veth0) entered forwarding state
[  322.711379] br0: port 1(veth0) entered disabled state
[  322.711597] veth0 (unregistering): left allmulticast mode
[  322.711640] veth0 (unregistering): left promiscuous mode
[  322.711671] br0: port 1(veth0) entered disabled state
[  322.728945] br0: port 2(veth1) entered disabled state
[  322.729117] veth1 (unregistering): left allmulticast mode
[  322.729163] veth1 (unregistering): left promiscuous mode
[  322.729194] br0: port 2(veth1) entered disabled state